CVE-2020-35522

Publication date 9 March 2021

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

In LibTIFF, there is a memory malloc failure in tif_pixarlog.c. A crafted TIFF document can lead to an abort, resulting in a remote denial of service attack.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
tiff	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.10 groovy	Ignored end of life
	20.04 LTS focal	Fixed 4.1.0+git191117-2ubuntu0.20.04.3
	18.04 LTS bionic	Fixed 4.0.9-5ubuntu0.5
	16.04 LTS xenial	Fixed 4.0.6-1ubuntu0.8+esm1 Ubuntu Pro
	14.04 LTS trusty	Fixed 4.0.3-7ubuntu0.11+esm1 Ubuntu Pro

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Notes

mdeslaur

this issue simply causes the tiff2rgba tool to abort on a malformed image, and has very little security impact.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
tiff	Upstream: 98a254f

Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-5421-1
LibTIFF vulnerabilities
16 May 2022